It's the favourite option of the main business organisation, and it is thus usually included if papers does a long run on options, but in reality it isn't there. Last time those parties were in coalition was during World War two, and neither of the involved parties has even mentioned it as an option. I don't think that will happen.

What might happen down the road is if the right bloc splits into two conservative parties - the Moderates and the Christian Democrats - and two liberal parties - the Liberals and the Centre Party, then after next election the conservatives may very well enter into coalition with the far right. Currently the liberal parties refuses that and nobody wants to be seen as splitting the rather successful right bloc.